Centrifugal-machine unloader.



E. D. MAGKINTOSH.

CENTRIYUGAL MACHINE UNLOADER.

APPLICATION FILED JAN. 22, 1914.

Patented July 7, 1914J l WITNESSES INVENTOR c/mMMU// SATES TENT FFCE.

EDV/'AED D. IJIAGKINTOSH, 0F NEW YORK, N. Y., ASSIGNOB, OF TO S. S. HEPWORTH COMPANY, OE' NEW YRK, N. Y., A CORPOA'I'ION 0F NEW YGRK.

CEN'TRIF'UGALMACHINE UNLOADER.

Specification of Letters Patent.

Patented July 7, 1914.

replication led .Tamiamiv 22, 1914,. Serial No. $13,684.

T0 all i/:fom it may concern Beit known that I, Enwann l). M .CKIN- Tosti, of the borough of Brooklyn, in the city of New York, county of Kings, and State of New York, have invented certain ne and nsetul improvements in Centrifugal-MachineIUnloaderS, ot which the following' is a specifi `ationl 'i It is the object, of my invention to unload. sugar and other materials from centrifugal machines withont excessive injury to the linings with which their baskets are ordinarily provided.

Referring to the aooompanjing drawings, 'foi-Illing part of this specitication: l `ifure 1 is a top plan of my nnloailer in place on a centrifugal machine. Fig. is an elevation ot' the same. Figs. 3 and 4 are details otsome ot' the parts.

A hraeket l, secured to the top 2 of the outer casing ot' a centrifugal machine`l forms a support for a vertical bar 3. r1`his har is movahle "vertically hy means of a winch l and a 'toothed pinion 5 engaging' with teeth on the har, the winch and the pinion being seruretl to a shat't t5 journaled in ears T that torni part ot the hrarkrt', The vertical har is kept from turning-by means of a. Yfeather tw tilting in a -groove .l in the har and seruretl in the hore of the hraek'et..

.\n arm l() pit'oted to the lowrr end ot' the har in a manner to swine; iaitu'arilly and partly under the top .lt ot the hasltet of the centrifugal marhine and away from thereunder, 'l`he extentV to which it can swing, outwardly is variahle and is limited hy two stops, one heine' a screw l2 threaded into the rertieal rod` and the other a lug,r 13 forming part ol the arm. The extent to which the arm ran .suing outwardly is varied hv turniupy the screw. lo the arm. at a point r here it is extenilihle under the haskel top, is pivotetl a plow l-l. hy means of a pin l5, and in a manner to swing into and outv of contact with the wall lt of the basket of the centrifugal machine or its lining 17. The extent lo which the plow is swingable on the arm is limited hy a. lstop i8. a spring i9 tending to keep the. one against the other. 'lheI plow is ordinarily made of metal except that its tip 2t), that hears against the basket lining, is otl some :stol'ler non-metallie material` as wood` or vulcanized liher. When the plow is not vin use it is supported above the hasket on a bracket 21.

To set and use the nnloader the screw 12 is adjusted to stop the metallic part; of the plow just short of swinging into Contact with the basket lining when the non-metallic tip wears away. The plow is loweredint the ha sket and entered in the contents thereof while theI basket is turning slowly in a direction to canse the said contents to impinge on the plows concave face. So impinging they swing both the plow and the arm n a direction away from the center of the cntrifngal machine until the lug 13 strikes the screw 12 and the tip of the plow strikes the hasket lining. The contents then travel along the plow and leave it at the inner end, falling thi-ouah the discharge opening regularly provided in such machines as my device is designed to unload.

it is to he noted that, in traveling along the plow, the material ressing` against its outer end tends to force it against the basket liningr hut the material pressingr against its inner end tends to litt 1t away therefrom. lt is to he farther noted, that the pin 15 can he so lo ated that the resulting pressure of the plow on the lining;l will be very light and not excessively injurious. It is to he still further noted that, in order to ohtain the desired result. the pivot pin may need to he so near tho lining, while unloadin r is progressing. as to he under the basket top. hut hat it can not remain there during the drying of a hash-et full of material. llenee the need et' the swingahle arm.

llavinn now deserihed my inventiomwhat l elaim'as new. and desire to secure hy Letters latent. is:

l. ln an nnloader for centrifugal machines, an arm. meansl forr holdin;Y the arm in the has-liet ot a eentrit'ntml machine and for adapting it to he extended out partly under the top of the basket or withdrawn from thereuinlrr. and a plow pivoted to the. army at a point where the arm is extendihle under the hasket top. to swing into and out: ot' contact with the wall of the hasket or the lin' thereot.

L. A har exteralingif into the basket ot' a centrifugal maeliiae. means for supportinglr the har` tor preventing it from turning. and tor moving: it toward and trom the hasketJ hottom, an arm .piroteil to the har lo swing partly under the top ot' the hasltetl and away from thereunder7 :t stop on the ntm co' operating with a stop ou the liar to limit the swing of the mm eutwm'dy under the basket to und at plow s0 pivoted to Such part of t e arm as may be extended under the basket top as to swing into and out of Contact with the wall of the basket or the lining thereof.

3. A bai* extending into the basket of u centrifugal machine, .means ifm' supporting the bar, for preventing it from turning, and for moving 1t toward and from the bottom ofthe basket, an arm pivoted to the bar to swing partly under and away from under the top of the basket., and @stop on the arm, coperating with a stop on the Bai', to determine the extent to which the :mn ma swing outwardiy under the top et the bas et.

4. A. bar extending into the basket of a centrifuga irmcliifm ummm; im* Supporting the bai', for preventim it imiu turning.;n :md for moving it tmmr'ni und 'fiom the bottom of the basket, :m arm pivoted t0 the imi.' te swing partly uiidei" :anni away il'em, Under the top of; the weitetB n :utep en the arm, copeiating with :L step ou the bm?, to de.- tei'mine the' extent te which the 1,1111 muy' swing outwzu'diy under the top of the basket, :md means foi' varying the smid ex. tent.

n testimony wheiem't I have signed my name to this specification in the pieseuf'u ef two subscribing; with ,es.

Fiumi L Ummm,

VAN WARNE. 

